Malcolm arbuthnot alves



(No ModeL) M. A. A LVES. RESERVOIR ATTACHMENT FOR PENS.

No. 589,401. atented Sept. 7, 1897.

UNITED STATEs P TENT OFFICE.

MALCOLM ARBUTHNOT ALVES,.OF LONDON, ENGLAND.

RES ERVOiR ATTACHMENT FOR PENS.

SPECIFICATION forming part of Letters Patent No. 589,401, datedSeptember 7, 1897.

Application filed January 23 1897. Serial No. 620,408. (No model.)

To all whom it may concern.-

Be it known that I, MALCOLM ARBUTHNOT ALVEs, a subject of the Queen ofEngland, and a resident of No. 4.3 Cromwell Houses, Queens Gate, London,in the county of Middlesex, England, have invented an Improved ReservoirAttachment for Pens, of which the following is a specification.

This invention relates to reservoir attachments-for pens of the kindwhich are fitted on the upper or convex side of the nib or writing partof the pen by means of an end part made in the form of a split cylinderor segment of a cylinder or by means of spring or other clips.

Devices of this character have hitherto been made of a stiff andinelastic material, so that pens fitted therewith, and especially quillpens, are stiff and hard to write with, and after a little use thematerial becomes deformed or bent and the device is then quite uselessfor its purpose.

The object of this invention is to so con-- struct pen reservoirattachments of the class hereinbefore described as to obviate thedisadvantages indicated and to produce a reservoir attachment whichallows the flexibility required, especially in quill pens, and which canbe fitted to steel or other pens or nibs of difierent sizes and ofvarious shapes.

According to this invention I connect the attachment-end part of thedevice to the spoon or scoop shape-d reservoir thereof by means of athin strip of springy metal. If found desirable, the nib end of .thespoon or scoop shaped reservoir may be split longitudinally ortransversely.

In the accompanying drawings I have shown how my invention. may becarried into practice and have shown various modifications and themethod of adaptation to various kinds of pens and penholders. The sameletters of reference, where they occur, are used to denote the same orcorresponding parts in all the figures.

Figures 1 and 2 are respectively elevation and section of a part of anordinary quill pen with my reservoir attachment fitted thereon.

Figs. 3 and at are similar views of a barrel-pen with a similar modifiedreservoir attachment. Figs. 5, 6, and 7 are modifications of the deviceillustrated in Figs. 3 and 4.

Figs. 8 and r quill pen with my reservoir attachment fitted thereon. Ais the rear or attachment end, which in this case is made in the form ofa split cylinder. Bis the spoon or scoop shaped reservoir, which isshaped so as to conform to the shape of the-nib or writing end of thequill pen, and b b are ridges or projections of any suitable kind formed011 or secured to the inner side of the reservoir B to keep the latterat the proper capillary distance from the writing end of the pen whenfitted thereto. 0 is a .thin and. preferably narrow strip of springymetal connecting the two partsA and B, or the whole device may be madein one piece from a metal which is sufficiently resiliout to allow ofthe requisite flexibility. The device is fitted to the pen by passingthe splitcylinder end A thereover until the reservoir B lies in properposition over the writing end of the quill pen, where it is maintainedat its proper capillary distance by the spring part 0 and the ridges orprojections 19 on its under side.

Figs. 3 and i are similar views of a magnum-bon um or barrel-pen with aslightlymodified reservoir attachment. In these figures the reservoirBis shown somewhat in the shape of a scoop or shovel with a forwardprolongation or tongue I), which is turned slightly upward, as shown inthe drawings. This modified form is applicable to quill pens, and boththis form and that illustrated in Figs. 1 and 2 can be fitted toordinary holders taking steel or other nibs.

Figs. 5, 6, and 7 show modifications of the device illustrated in Figs.3 and 4. Fig. 5 is a plan showing the device with a central longitudinalsplit 5 which, however, may be located to one side, if so desired,instead of centrally, as shown, and more than one such split Z2 may beused, if preferred. The device shown in Fig. 5 is furthermore providedwith two or more ridges or projections b, which are formed by stampingtwo strips or tongues in its body and turning these under in the mannershown by Fig. 7, which is a cross-section through the line E F of Fig.6. Fig. (5 is a view similar to Fig. 5 and differs only in having atransverse split b in addition to the 1011- gitudinal split b and inhaving the ridges 1) formed by turning under strips stamped or out inits outer edges instead of in its body, as in Fig. 5.

Figs. 8 and 9 are respectively longitudinal elevation and section of asteel or other nib or slip pen with my reservoir attachment fittedthereto, and which is secured by slipping it, together with the slip endof the nib, into the shank D in the ordinary way. In this case the rearor attachment end A of the device is made so as to conform to the shapeof and lie upon the slip end E of the nib, as shown in Fig. 10, which isa cross-section taken on the line G H of Fig. 9.

Fig. 11 is a View similar to Fig. 9, but in this case the device issecured to the slip end E of the nib by means of clips or turned-underends a, as shown in Fig. 12, which is a cross-section taken 011 the lineJ K of Fig. 11.

The longitudinal and transverse splits described With reference to Figs.5 to 7 can be applied in the same manner to any of the other forms of myinvention.

In all the forms of my invention it is essential that the reservoir Bshould be connected to the attachment end A by a sp-ringy-metalconnection 0, so that when in use, the nib end of the device willpartake of all the movements of the nib or writing end of the pen andthe requisite flexibility thus secured.

hat I claim as my invention, and desire to secure by Letters Patent, is-

A reservoir attachment for pens comprising a split cylindricalattachment end, adapted to be fitted 011 the upper or convex side of thepen, and connected by a narrow strip of springy metal to a scoop-sl1apedreservoir, conforming to the shape of the nib or writing end of the penand having ridges on the inner side to keep it at the proper capillarydistance therefrom, substantially as described.

MALCOLM ARBUTHNOT A LVES.

lVitnesses:

H. E. STRAKER, WILMER M. HARRIS.

